Pengkhianatan G30S/PKI (Indonesian for Treachery of G30S/PKI) is a 1984 Indonesian docudrama co-written and directed by Arifin C. Noer, produced by G. Dwipayana, and starring Amoroso Katamsi, Umar Kayam, and Syubah Asa. Produced over a period of two years with a budget of Rp800 million, the film was sponsored by Suharto's New Order government. It was based on an official history of the 30 September Movement (Gerakan 30 September, or G30S) coup in 1965 written by Nugroho Notosusanto and Ismail Saleh, which depicted the coup as being orchestrated by the Communist Party of Indonesia (Partai Komunis Indonesia, or PKI).